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SpotCheck Plus is an easy to use, non instrument based hygiene surface test for monitoring surface cleanliness. SpotCheck Plus can detect the presence of D-glucose down to 2.5μmoles and lactose down to 5.0μmoles on a surface in 60 seconds. Glucose is present in 85 percent of food items and lactose is a key component of all dairy products, making SpotCheck Plus a suitable test for monitoring surface hygiene in most environments where food is processed. SpotCheck Plus will turn from clear to green if glucose and/or lactose are present in sample. The more glucose and/or lactose collected in a sample, the quicker and darker the color change.